115591532 has 24 divisors (see below), whose sum is σ = 231601440. Its totient is φ = 49449600.

The previous prime is 115591519. The next prime is 115591543. The reversal of 115591532 is 235195511.

It is a super-3 number, since 3×115591532³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13394 + ... + 20262.

It is an arithmetic number, because the mean of its divisors is an integer number (9650060).

Almost surely, 2^115591532 is an apocalyptic number.

It is an amenable number.

115591532 is an abundant number, since it is smaller than the sum of its proper divisors (116009908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115591532 is a wasteful number, since it uses less digits than its factorization.

115591532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481 (or 7479 counting only the distinct ones).

The product of its digits is 6750, while the sum is 32.

The square root of 115591532 is about 10751.3502407837. The cubic root of 115591532 is about 487.1267809238.

The spelling of 115591532 in words is "one hundred fifteen million, five hundred ninety-one thousand, five hundred thirty-two".